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$NetBSD: patch-ab,v 1.3 2006/02/02 14:10:45 joerg Exp $
--- blitz/funcs.h.orig 2006-02-02 14:05:27.000000000 +0000
+++ blitz/funcs.h
@@ -583,6 +583,8 @@ struct Fn_isnan {
// Some platforms define isnan as a macro, which causes the
// BZ_IEEEMATHFN_SCOPE macro to break.
return isnan(a);
+#elif defined(_GLIBCXX_USE_C99_MATH) && !defined(_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC)
+ return BZ_MATHFN_SCOPE(isnan)(a);
#else
return BZ_IEEEMATHFN_SCOPE(isnan)(a);
#endif
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